import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken } from '@/utils/auth'

NProgress.configure({ showSpinner: false })

const whiteList = ['/login', '/auth-redirect', '/bind', '/register','/push/*']
/**
 * 检测白名单，正则检测通过检测的就直接返回true
 * @param path 需要检测的路径
 * @returns {boolean}
 */
function checkWhiteList (path) {
  for (let i = 0; i < whiteList.length; i++) {
    let p = `${whiteList[i]}`
    p = p.replace(/\//g,'\\/')
    p = p.replace(/\*/g,'\\/*')
    let reg = new RegExp(p);
    if (reg.test(path)) return true
  }
  return false
}
// 检验是否有重复的路由
let sameRoute = {}
function checkRoutersNameUnique(allRoutes,route){
  if (allRoutes && allRoutes.length){
    for (let i = 0; i < allRoutes.length; i++) {
      let item = allRoutes[i]
      if (route.name === item.name && route.path !== item.path){
        sameRoute = route
        return false
      }
      if (item.children && item.children.length){
        if (!checkRoutersNameUnique(item.children,route)){
          return false
        }
      }
    }
  }
  return true
}
function allRouters(allRoutes) {
  if (allRoutes && allRoutes.length){
    for (let i = 0; i < allRoutes.length; i++) {
      let item = allRoutes[i]
      if (item.name && !checkRoutersNameUnique(allRoutes,item)){
        sameRoute = item
        return Message.error(`您的路由 name 已经被 ${item.path} 申请，必须确定路由 name 唯一性`) && false
      }
      if (item.children && item.children.length){
        if (!allRouters(item.children)){
          return false
        }
      }
    }
  }
  return true
}

router.beforeEach((to, from, next) => {
  NProgress.start()
  next()
  NProgress.done()
  if (getToken()) {
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (store.getters.roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetInfo').then(res => {
          // 拉取user_info
          const roles = res.roles
          store.dispatch('GenerateRoutes', { roles }).then(accessRoutes => {
            // 根据roles权限生成可访问的路由表
            router.addRoutes(accessRoutes) // 动态添加可访问路由表
            if (process.env.NODE_ENV === "development") allRouters(store.getters.sidebarRouters)
            // router.options.routes.push(...accessRoutes)
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成
          })
        }).catch(err => {
            store.dispatch('LogOut').then(() => {
              Message.error(err)
              next({ path: '/' })
              //next({path:'/acceptanceManage/completeAcceptance/index'})
            })
          })
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (checkWhiteList(to.path)) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})
